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/*-
 * ============LICENSE_START=======================================================
 * VID
 * ================================================================================
 * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
 * Modifications Copyright (C) 2019 Nokia. All rights reserved.
 * Modifications Copyright (C) 2019 IBM.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.onap.vid.controller;

import static org.onap.vid.utils.Logging.getMethodCallerName;

import java.util.Optional;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.ws.rs.WebApplicationException;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.onap.portalsdk.core.domain.User;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.util.SystemProperties;
import org.onap.vid.model.ExceptionResponse;
import org.onap.vid.utils.SystemPropertiesWrapper;
import org.springframework.http.ResponseEntity;

public final class ControllersUtils {

    private final SystemPropertiesWrapper systemPropertiesWrapper;

    public ControllersUtils(SystemPropertiesWrapper systemPropertiesWrapper) {
        this.systemPropertiesWrapper = systemPropertiesWrapper;
    }

    public static ExceptionResponse handleException(Exception e, EELFLoggerDelegate logger) {
        logger.error(EELFLoggerDelegate.errorLogger, "{}: {}", getMethodCallerName(), ExceptionUtils.getMessage(e), e);
        return new ExceptionResponse(e);
    }

    public static ResponseEntity handleWebApplicationException(WebApplicationException e, EELFLoggerDelegate logger) {
        return ResponseEntity.status(e.getResponse().getStatus()).body(ControllersUtils.handleException(e, logger));
    }

    public String extractUserId(HttpServletRequest request) {
        Optional<User> user = Optional.ofNullable(request.getSession())
            .map((HttpSession he) -> (User) he
                .getAttribute(systemPropertiesWrapper.getProperty(SystemProperties.USER_ATTRIBUTE_NAME)));

        return user.map(User::getLoginId).isPresent()
            ? user.map(User::getLoginId).orElse("") : user.map(User::getOrgUserId).orElse("");
    }
}